Finding the Fourth Proportional to 5,398,837.88, 7,450,484.79 and 3,223,571.12
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Solution
The fourth proportional to 5,398,837.88, 7,450,484.79 and 3,223,571.12 is: 4,448,580.99
Step by Step Solution
- Step 1: Write the proportion equation
5,398,837.88 : 7,450,484.79 = 3,223,571.12 : x - Step 2: Convert to fraction form
5,398,837.88/7,450,484.79 = 3,223,571.12/x - Step 3: Cross multiply
5,398,837.88x = 7,450,484.79 × 3,223,571.12 - Step 4: Simplify right side
5,398,837.88x = 24,017,167,561,790.84 - Step 5: Solve for x
x = 24,017,167,561,790.84/5,398,837.88 - Step 6: Final answer
x = 4,448,580.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.